package com.gs.netty;

import io.netty.bootstrap.Bootstrap;
import io.netty.channel.ChannelFuture;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.ChannelOption;
import io.netty.channel.EventLoopGroup;
import io.netty.channel.nio.NioEventLoopGroup;
import io.netty.channel.socket.SocketChannel;
import io.netty.channel.socket.nio.NioServerSocketChannel;
import io.netty.channel.socket.nio.NioSocketChannel;
import io.netty.handler.codec.LineBasedFrameDecoder;
import io.netty.handler.codec.string.StringDecoder;

/**
 * @ProjectName: springbootmybitstest
 * @Package: com.gs.netty
 * @Description: java类作用描述
 * @Author: Administrator
 * @CreateDate: 2018/7/3 14:52
 * @UpdateUser: Administrator
 * @UpdateDate: 2018/7/3 14:52
 * @UpdateRemark: The modified content
 * @Version: 1.0
 **/
public class TimeClient {
    public static void main(String[] args) throws Exception {
        int port=9019;
        if(args!=null&&args.length>0){
            try {
                port=Integer.valueOf(args[0]);
            } catch (Exception e) {
                // 采用默认值
            }
        }
        new TimeClient().connect(port, "127.0.0.1");
    }


    public  void connect(int port,String host){

//配置客户端的线程组
        EventLoopGroup  group = new NioEventLoopGroup();


        try {
            Bootstrap b = new Bootstrap();
            b.group(group)
                    .channel(NioSocketChannel.class)
                    .option(ChannelOption.TCP_NODELAY,true)
                    .handler(new ChannelInitializer<SocketChannel>() {
                        @Override
                        protected void initChannel(SocketChannel socketChannel) throws Exception {
                            //直接在TimeClientHandler之前新增LineBasedFrameDecoder和StringDecoder解码器
                            socketChannel.pipeline().addLast(new LineBasedFrameDecoder(1024));
                            socketChannel.pipeline().addLast(new StringDecoder());

                            socketChannel.pipeline().addLast(new TimeClientHandler());
                        }
                    });
            //发起异步连接操作
            ChannelFuture f = b.connect(host,port).sync();
            //等待客户端链路关闭
            f.channel().closeFuture().sync();
        } catch (InterruptedException e) {
            e.printStackTrace();
        }finally {
            group.shutdownGracefully();
        }


    }















}
